diff options
Diffstat (limited to 'drivers/media/platform/s5p-jpeg/jpeg-core.c')
| -rw-r--r-- | drivers/media/platform/s5p-jpeg/jpeg-core.c | 1329 |
1 files changed, 978 insertions, 351 deletions
diff --git a/drivers/media/platform/s5p-jpeg/jpeg-core.c b/drivers/media/platform/s5p-jpeg/jpeg-core.c index 9b88a4601007..a1c78c870b68 100644 --- a/drivers/media/platform/s5p-jpeg/jpeg-core.c +++ b/drivers/media/platform/s5p-jpeg/jpeg-core.c @@ -1,9 +1,10 @@ /* linux/drivers/media/platform/s5p-jpeg/jpeg-core.c * - * Copyright (c) 2011 Samsung Electronics Co., Ltd. + * Copyright (c) 2011-2013 Samsung Electronics Co., Ltd. * http://www.samsung.com * * Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com> + * Author: Jacek Anaszewski <j.anaszewski@samsung.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -17,6 +18,7 @@ #include <linux/io.h> #include <linux/kernel.h> #include <linux/module.h> +#include <linux/of.h> #include <linux/platform_device.h> #include <linux/pm_runtime.h> #include <linux/slab.h> @@ -28,70 +30,234 @@ #include <media/videobuf2-dma-contig.h> #include "jpeg-core.h" -#include "jpeg-hw.h" +#include "jpeg-hw-s5p.h" +#include "jpeg-hw-exynos4.h" +#include "jpeg-regs.h" -static struct s5p_jpeg_fmt formats_enc[] = { +static struct s5p_jpeg_fmt sjpeg_formats[] = { { .name = "JPEG JFIF", .fourcc = V4L2_PIX_FMT_JPEG, + .flags = SJPEG_FMT_FLAG_ENC_CAPTURE | + SJPEG_FMT_FLAG_DEC_OUTPUT | + SJPEG_FMT_FLAG_S5P | + SJPEG_FMT_FLAG_EXYNOS4, + }, + { + .name = "YUV 4:2:2 packed, YCbYCr", + .fourcc = V4L2_PIX_FMT_YUYV, + .depth = 16, .colplanes = 1, - .types = MEM2MEM_CAPTURE, + .h_align = 4, + .v_align = 3, + .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | + SJPEG_FMT_FLAG_DEC_CAPTURE | + SJPEG_FMT_FLAG_S5P | + SJPEG_FMT_NON_RGB, + .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_422, }, { .name = "YUV 4:2:2 packed, YCbYCr", .fourcc = V4L2_PIX_FMT_YUYV, .depth = 16, .colplanes = 1, - .types = MEM2MEM_OUTPUT, + .h_align = 1, + .v_align = 0, + .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | + SJPEG_FMT_FLAG_DEC_CAPTURE | + SJPEG_FMT_FLAG_EXYNOS4 | + SJPEG_FMT_NON_RGB, + .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_422, + }, + { + .name = "YUV 4:2:2 packed, YCrYCb", + .fourcc = V4L2_PIX_FMT_YVYU, + .depth = 16, + .colplanes = 1, + .h_align = 1, + .v_align = 0, + .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | + SJPEG_FMT_FLAG_DEC_CAPTURE | + SJPEG_FMT_FLAG_EXYNOS4 | + SJPEG_FMT_NON_RGB, + .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_422, }, { .name = "RGB565", .fourcc = V4L2_PIX_FMT_RGB565, .depth = 16, .colplanes = 1, - .types = MEM2MEM_OUTPUT, + .h_align = 0, + .v_align = 0, + .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | + SJPEG_FMT_FLAG_DEC_CAPTURE | + SJPEG_FMT_FLAG_EXYNOS4 | + SJPEG_FMT_RGB, + .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_444, }, -}; -#define NUM_FORMATS_ENC ARRAY_SIZE(formats_enc) - -static struct s5p_jpeg_fmt formats_dec[] = { { - .name = "YUV 4:2:0 planar, YCbCr", - .fourcc = V4L2_PIX_FMT_YUV420, - .depth = 12, - .colplanes = 3, - .h_align = 4, - .v_align = 4, - .types = MEM2MEM_CAPTURE, + .name = "RGB565", + .fourcc = V4L2_PIX_FMT_RGB565, + .depth = 16, + .colplanes = 1, + .h_align = 0, + .v_align = 0, + .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | + SJPEG_FMT_FLAG_S5P | + SJPEG_FMT_RGB, + .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_444, }, { - .name = "YUV 4:2:2 packed, YCbYCr", - .fourcc = V4L2_PIX_FMT_YUYV, - .depth = 16, + .name = "ARGB8888, 32 bpp", + .fourcc = V4L2_PIX_FMT_RGB32, + .depth = 32, .colplanes = 1, + .h_align = 0, + .v_align = 0, + .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | + SJPEG_FMT_FLAG_DEC_CAPTURE | + SJPEG_FMT_FLAG_EXYNOS4 | + SJPEG_FMT_RGB, + .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_444, + }, + { + .name = "YUV 4:4:4 planar, Y/CbCr", + .fourcc = V4L2_PIX_FMT_NV24, + .depth = 24, + .colplanes = 2, + .h_align = 0, + .v_align = 0, + .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | + SJPEG_FMT_FLAG_DEC_CAPTURE | + SJPEG_FMT_FLAG_EXYNOS4 | + SJPEG_FMT_NON_RGB, + .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_444, + }, + { + .name = "YUV 4:4:4 planar, Y/CrCb", + .fourcc = V4L2_PIX_FMT_NV42, + .depth = 24, + .colplanes = 2, + .h_align = 0, + .v_align = 0, + .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | + SJPEG_FMT_FLAG_DEC_CAPTURE | + SJPEG_FMT_FLAG_EXYNOS4 | + SJPEG_FMT_NON_RGB, + .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_444, + }, + { + .name = "YUV 4:2:2 planar, Y/CrCb", + .fourcc = V4L2_PIX_FMT_NV61, + .depth = 16, + .colplanes = 2, + .h_align = 1, + .v_align = 0, + .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | + SJPEG_FMT_FLAG_DEC_CAPTURE | + SJPEG_FMT_FLAG_EXYNOS4 | + SJPEG_FMT_NON_RGB, + .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_422, + }, + { + .name = "YUV 4:2:2 planar, Y/CbCr", + .fourcc = V4L2_PIX_FMT_NV16, + .depth = 16, + .colplanes = 2, + .h_align = 1, + .v_align = 0, + .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | + SJPEG_FMT_FLAG_DEC_CAPTURE | + SJPEG_FMT_FLAG_EXYNOS4 | + SJPEG_FMT_NON_RGB, + .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_422, + }, + { + .name = "YUV 4:2:0 planar, Y/CbCr", + .fourcc = V4L2_PIX_FMT_NV12, + .depth = 16, + .colplanes = 2, + .h_align = 1, + .v_align = 1, + .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | + SJPEG_FMT_FLAG_DEC_CAPTURE | + SJPEG_FMT_FLAG_EXYNOS4 | + SJPEG_FMT_NON_RGB, + .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_420, + }, + { + .name = "YUV 4:2:0 planar, Y/CbCr", + .fourcc = V4L2_PIX_FMT_NV12, + .depth = 16, + .colplanes = 4, .h_align = 4, - .v_align = 3, - .types = MEM2MEM_CAPTURE, + .v_align = 1, + .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | + SJPEG_FMT_FLAG_DEC_CAPTURE | + SJPEG_FMT_FLAG_S5P | + SJPEG_FMT_NON_RGB, + .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_420, }, { - .name = "JPEG JFIF", - .fourcc = V4L2_PIX_FMT_JPEG, + .name = "YUV 4:2:0 planar, Y/CrCb", + .fourcc = V4L2_PIX_FMT_NV21, + .depth = 12, + .colplanes = 2, + .h_align = 1, + .v_align = 1, + .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | + SJPEG_FMT_FLAG_DEC_CAPTURE | + SJPEG_FMT_FLAG_EXYNOS4 | + SJPEG_FMT_NON_RGB, + .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_420, + }, + { + .name = "YUV 4:2:0 contiguous 3-planar, Y/Cb/Cr", + .fourcc = V4L2_PIX_FMT_YUV420, + .depth = 12, + .colplanes = 3, + .h_align = 1, + .v_align = 1, + .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | + SJPEG_FMT_FLAG_DEC_CAPTURE | + SJPEG_FMT_FLAG_EXYNOS4 | + SJPEG_FMT_NON_RGB, + .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_420, + }, + { + .name = "Gray", + .fourcc = V4L2_PIX_FMT_GREY, + .depth = 8, .colplanes = 1, - .types = MEM2MEM_OUTPUT, + .flags = SJPEG_FMT_FLAG_ENC_OUTPUT | + SJPEG_FMT_FLAG_DEC_CAPTURE | + SJPEG_FMT_FLAG_EXYNOS4 | + SJPEG_FMT_NON_RGB, + .subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY, }, }; -#define NUM_FORMATS_DEC ARRAY_SIZE(formats_dec) +#define SJPEG_NUM_FORMATS ARRAY_SIZE(sjpeg_formats) static const unsigned char qtbl_luminance[4][64] = { - {/* level 1 - high quality */ - 8, 6, 6, 8, 12, 14, 16, 17, - 6, 6, 6, 8, 10, 13, 12, 15, - 6, 6, 7, 8, 13, 14, 18, 24, - 8, 8, 8, 14, 13, 19, 24, 35, - 12, 10, 13, 13, 20, 26, 34, 39, - 14, 13, 14, 19, 26, 34, 39, 39, - 16, 12, 18, 24, 34, 39, 39, 39, - 17, 15, 24, 35, 39, 39, 39, 39 + {/*level 0 - high compression quality */ + 20, 16, 25, 39, 50, 46, 62, 68, + 16, 18, 23, 38, 38, 53, 65, 68, + 25, 23, 31, 38, 53, 65, 68, 68, + 39, 38, 38, 53, 65, 68, 68, 68, + 50, 38, 53, 65, 68, 68, 68, 68, + 46, 53, 65, 68, 68, 68, 68, 68, + 62, 65, 68, 68, 68, 68, 68, 68, + 68, 68, 68, 68, 68, 68, 68, 68 + }, + {/* level 1 */ + 16, 11, 11, 16, 23, 27, 31, 30, + 11, 12, 12, 15, 20, 23, 23, 30, + 11, 12, 13, 16, 23, 26, 35, 47, + 16, 15, 16, 23, 26, 37, 47, 64, + 23, 20, 23, 26, 39, 51, 64, 64, + 27, 23, 26, 37, 51, 64, 64, 64, + 31, 23, 35, 47, 64, 64, 64, 64, + 30, 30, 47, 64, 64, 64, 64, 64 }, {/* level 2 */ 12, 8, 8, 12, 17, 21, 24, 23, @@ -103,38 +269,38 @@ static const unsigned char qtbl_luminance[4][64] = { 24, 18, 27, 36, 51, 59, 59, 59, 23, 23, 36, 53, 59, 59, 59, 59 }, - {/* level 3 */ - 16, 11, 11, 16, 23, 27, 31, 30, - 11, 12, 12, 15, 20, 23, 23, 30, - 11, 12, 13, 16, 23, 26, 35, 47, - 16, 15, 16, 23, 26, 37, 47, 64, - 23, 20, 23, 26, 39, 51, 64, 64, - 27, 23, 26, 37, 51, 64, 64, 64, - 31, 23, 35, 47, 64, 64, 64, 64, - 30, 30, 47, 64, 64, 64, 64, 64 - }, - {/*level 4 - low quality */ - 20, 16, 25, 39, 50, 46, 62, 68, - 16, 18, 23, 38, 38, 53, 65, 68, - 25, 23, 31, 38, 53, 65, 68, 68, - 39, 38, 38, 53, 65, 68, 68, 68, - 50, 38, 53, 65, 68, 68, 68, 68, - 46, 53, 65, 68, 68, 68, 68, 68, - 62, 65, 68, 68, 68, 68, 68, 68, - 68, 68, 68, 68, 68, 68, 68, 68 + {/* level 3 - low compression quality */ + 8, 6, 6, 8, 12, 14, 16, 17, + 6, 6, 6, 8, 10, 13, 12, 15, + 6, 6, 7, 8, 13, 14, 18, 24, + 8, 8, 8, 14, 13, 19, 24, 35, + 12, 10, 13, 13, 20, 26, 34, 39, + 14, 13, 14, 19, 26, 34, 39, 39, + 16, 12, 18, 24, 34, 39, 39, 39, + 17, 15, 24, 35, 39, 39, 39, 39 } }; static const unsigned char qtbl_chrominance[4][64] = { - {/* level 1 - high quality */ - 9, 8, 9, 11, 14, 17, 19, 24, - 8, 10, 9, 11, 14, 13, 17, 22, - 9, 9, 13, 14, 13, 15, 23, 26, - 11, 11, 14, 14, 15, 20, 26, 33, - 14, 14, 13, 15, 20, 24, 33, 39, - 17, 13, 15, 20, 24, 32, 39, 39, - 19, 17, 23, 26, 33, 39, 39, 39, - 24, 22, 26, 33, 39, 39, 39, 39 + {/*level 0 - high compression quality */ + 21, 25, 32, 38, 54, 68, 68, 68, + 25, 28, 24, 38, 54, 68, 68, 68, + 32, 24, 32, 43, 66, 68, 68, 68, + 38, 38, 43, 53, 68, 68, 68, 68, + 54, 54, 66, 68, 68, 68, 68, 68, + 68, 68, 68, 68, 68, 68, 68, 68, + 68, 68, 68, 68, 68, 68, 68, 68, + 68, 68, 68, 68, 68, 68, 68, 68 + }, + {/* level 1 */ + 17, 15, 17, 21, 20, 26, 38, 48, + 15, 19, 18, 17, 20, 26, 35, 43, + 17, 18, 20, 22, 26, 30, 46, 53, + 21, 17, 22, 28, 30, 39, 53, 64, + 20, 20, 26, 30, 39, 48, 64, 64, + 26, 26, 30, 39, 48, 63, 64, 64, + 38, 35, 46, 53, 64, 64, 64, 64, + 48, 43, 53, 64, 64, 64, 64, 64 }, {/* level 2 */ 13, 11, 13, 16, 20, 20, 29, 37, @@ -146,25 +312,15 @@ static const unsigned char qtbl_chrominance[4][64] = { 29, 26, 35, 40, 50, 59, 59, 59, 37, 32, 40, 50, 59, 59, 59, 59 }, - {/* level 3 */ - 17, 15, 17, 21, 20, 26, 38, 48, - 15, 19, 18, 17, 20, 26, 35, 43, - 17, 18, 20, 22, 26, 30, 46, 53, - 21, 17, 22, 28, 30, 39, 53, 64, - 20, 20, 26, 30, 39, 48, 64, 64, - 26, 26, 30, 39, 48, 63, 64, 64, - 38, 35, 46, 53, 64, 64, 64, 64, - 48, 43, 53, 64, 64, 64, 64, 64 - }, - {/*level 4 - low quality */ - 21, 25, 32, 38, 54, 68, 68, 68, - 25, 28, 24, 38, 54, 68, 68, 68, - 32, 24, 32, 43, 66, 68, 68, 68, - 38, 38, 43, 53, 68, 68, 68, 68, - 54, 54, 66, 68, 68, 68, 68, 68, - 68, 68, 68, 68, 68, 68, 68, 68, - 68, 68, 68, 68, 68, 68, 68, 68, - 68, 68, 68, 68, 68, 68, 68, 68 + {/* level 3 - low compression quality */ + 9, 8, 9, 11, 14, 17, 19, 24, + 8, 10, 9, 11, 14, 13, 17, 22, + 9, 9, 13, 14, 13, 15, 23, 26, + 11, 11, 14, 14, 15, 20, 26, 33, + 14, 14, 13, 15, 20, 24, 33, 39, + 17, 13, 15, 20, 24, 32, 39, 39, + 19, 17, 23, 26, 33, 39, 39, 39, + 24, 22, 26, 33, 39, 39, 39, 39 } }; @@ -202,6 +358,106 @@ static const unsigned char hactblg0[162] = { 0xf9, 0xfa }; +/* + * Fourcc downgrade schema lookup tables for 422 and 420 + * chroma subsampling - fourcc on each position maps on the + * fourcc from the table fourcc_to_dwngrd_schema_id which allows + * to get the most suitable fourcc counterpart for the given + * downgraded subsampling property. + */ +static const u32 subs422_fourcc_dwngrd_schema[] = { + V4L2_PIX_FMT_NV16, + V4L2_PIX_FMT_NV61, +}; + +static const u32 subs420_fourcc_dwngrd_schema[] = { + V4L2_PIX_FMT_NV12, + V4L2_PIX_FMT_NV21, + V4L2_PIX_FMT_NV12, + V4L2_PIX_FMT_NV21, + V4L2_PIX_FMT_NV12, + V4L2_PIX_FMT_NV21, + V4L2_PIX_FMT_GREY, + V4L2_PIX_FMT_GREY, + V4L2_PIX_FMT_GREY, + V4L2_PIX_FMT_GREY, +}; + +/* + * Lookup table for translation of a fourcc to the position + * of its downgraded counterpart in the *fourcc_dwngrd_schema + * tables. + */ +static const u32 fourcc_to_dwngrd_schema_id[] = { + V4L2_PIX_FMT_NV24, + V4L2_PIX_FMT_NV42, + V4L2_PIX_FMT_NV16, + V4L2_PIX_FMT_NV61, + V4L2_PIX_FMT_YUYV, + V4L2_PIX_FMT_YVYU, + V4L2_PIX_FMT_NV12, + V4L2_PIX_FMT_NV21, + V4L2_PIX_FMT_YUV420, + V4L2_PIX_FMT_GREY, +}; + +static int s5p_jpeg_get_dwngrd_sch_id_by_fourcc(u32 fourcc) +{ + int i; + for (i = 0; i < ARRAY_SIZE(fourcc_to_dwngrd_schema_id); ++i) { + if (fourcc_to_dwngrd_schema_id[i] == fourcc) + return i; + } + + return -EINVAL; +} + +static int s5p_jpeg_adjust_fourcc_to_subsampling( + enum v4l2_jpeg_chroma_subsampling subs, + u32 in_fourcc, + u32 *out_fourcc, + struct s5p_jpeg_ctx *ctx) +{ + int dwngrd_sch_id; + + if (ctx->subsampling != V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY) { + dwngrd_sch_id = + s5p_jpeg_get_dwngrd_sch_id_by_fourcc(in_fourcc); + if (dwngrd_sch_id < 0) + return -EINVAL; + } + + switch (ctx->subsampling) { + case V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY: + *out_fourcc = V4L2_PIX_FMT_GREY; + break; + case V4L2_JPEG_CHROMA_SUBSAMPLING_420: + if (dwngrd_sch_id > + ARRAY_SIZE(subs420_fourcc_dwngrd_schema) - 1) + return -EINVAL; + *out_fourcc = subs420_fourcc_dwngrd_schema[dwngrd_sch_id]; + break; + case V4L2_JPEG_CHROMA_SUBSAMPLING_422: + if (dwngrd_sch_id > + ARRAY_SIZE(subs422_fourcc_dwngrd_schema) - 1) + return -EINVAL; + *out_fourcc = subs422_fourcc_dwngrd_schema[dwngrd_sch_id]; + break; + default: + *out_fourcc = V4L2_PIX_FMT_GREY; + break; + } + + return 0; +} + +static int exynos4x12_decoded_subsampling[] = { + V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY, + V4L2_JPEG_CHROMA_SUBSAMPLING_444, + V4L2_JPEG_CHROMA_SUBSAMPLING_422, + V4L2_JPEG_CHROMA_SUBSAMPLING_420, +}; + static inline struct s5p_jpeg_ctx *ctrl_to_ctx(struct v4l2_ctrl *c) { return container_of(c->handler, struct s5p_jpeg_ctx, ctrl_handler); @@ -212,8 +468,24 @@ static inline struct s5p_jpeg_ctx *fh_to_ctx(struct v4l2_fh *fh) return container_of(fh, struct s5p_jpeg_ctx, fh); } -static inline void jpeg_set_qtbl(void __iomem *regs, const unsigned char *qtbl, - unsigned long tab, int len) +static int s5p_jpeg_to_user_subsampling(struct s5p_jpeg_ctx *ctx) +{ + WARN_ON(ctx->subsampling > 3); + + if (ctx->jpeg->variant->version == SJPEG_S5P) { + if (ctx->subsampling > 2) + return V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY; + return ctx->subsampling; + } else { + if (ctx->subsampling > 2) + return V4L2_JPEG_CHROMA_SUBSAMPLING_420; + return exynos4x12_decoded_subsampling[ctx->subsampling]; + } +} + +static inline void s5p_jpeg_set_qtbl(void __iomem *regs, + const unsigned char *qtbl, + unsigned long tab, int len) { int i; @@ -221,22 +493,25 @@ static inline void jpeg_set_qtbl(void __iomem *regs, const unsigned char *qtbl, writel((unsigned int)qtbl[i], regs + tab + (i * 0x04)); } -static inline void jpeg_set_qtbl_lum(void __iomem *regs, int quality) +static inline void s5p_jpeg_set_qtbl_lum(void __iomem *regs, int quality) { /* this driver fills quantisation table 0 with data for luma */ - jpeg_set_qtbl(regs, qtbl_luminance[quality], S5P_JPG_QTBL_CONTENT(0), - ARRAY_SIZE(qtbl_luminance[quality])); + s5p_jpeg_set_qtbl(regs, qtbl_luminance[quality], + S5P_JPG_QTBL_CONTENT(0), + ARRAY_SIZE(qtbl_luminance[quality])); } -static inline void jpeg_set_qtbl_chr(void __iomem *regs, int quality) +static inline void s5p_jpeg_set_qtbl_chr(void __iomem *regs, int quality) { /* this driver fills quantisation table 1 with data for chroma */ - jpeg_set_qtbl(regs, qtbl_chrominance[quality], S5P_JPG_QTBL_CONTENT(1), - ARRAY_SIZE(qtbl_chrominance[quality])); + s5p_jpeg_set_qtbl(regs, qtbl_chrominance[quality], + S5P_JPG_QTBL_CONTENT(1), + ARRAY_SIZE(qtbl_chrominance[quality])); } -static inline void jpeg_set_htbl(void __iomem *regs, const unsigned char *htbl, - unsigned long tab, int len) +static inline void s5p_jpeg_set_htbl(void __iomem *regs, + const unsigned char *htbl, + unsigned long tab, int len) { int i; @@ -244,28 +519,84 @@ static inline void jpeg_set_htbl(void __iomem *regs, const unsigned char *htbl, writel((unsigned int)htbl[i], regs + tab + (i * 0x04)); } -static inline void jpeg_set_hdctbl(void __iomem *regs) +static inline void s5p_jpeg_set_hdctbl(void __iomem *regs) { /* this driver fills table 0 for this component */ - jpeg_set_htbl(regs, hdctbl0, S5P_JPG_HDCTBL(0), ARRAY_SIZE(hdctbl0)); + s5p_jpeg_set_htbl(regs, hdctbl0, S5P_JPG_HDCTBL(0), + ARRAY_SIZE(hdctbl0)); } -static inline void jpeg_set_hdctblg(void __iomem *regs) +static inline void s5p_jpeg_set_hdctblg(void __iomem *regs) { /* this driver fills table 0 for this component */ - jpeg_set_htbl(regs, hdctblg0, S5P_JPG_HDCTBLG(0), ARRAY_SIZE(hdctblg0)); + s5p_jpeg_set_htbl(regs, hdctblg0, S5P_JPG_HDCTBLG(0), + ARRAY_SIZE(hdctblg0)); } -static inline void jpeg_set_hactbl(void __iomem *regs) +static inline void s5p_jpeg_set_hactbl(void __iomem *regs) { /* this driver fills table 0 for this component */ - jpeg_set_htbl(regs, hactbl0, S5P_JPG_HACTBL(0), ARRAY_SIZE(hactbl0)); + s5p_jpeg_set_htbl(regs, hactbl0, S5P_JPG_HACTBL(0), + ARRAY_SIZE(hactbl0)); } -static inline void jpeg_set_hactblg(void __iomem *regs) +static inline void s5p_jpeg_set_hactblg(void __iomem *regs) { /* this driver fills table 0 for this component */ - jpeg_set_htbl(regs, hactblg0, S5P_JPG_HACTBLG(0), ARRAY_SIZE(hactblg0)); + s5p_jpeg_set_htbl(regs, hactblg0, S5P_JPG_HACTBLG(0), + ARRAY_SIZE(hactblg0)); +} + +static inline void exynos4_jpeg_set_tbl(void __iomem *regs, + const unsigned char *tbl, + unsigned long tab, int len) +{ + int i; + unsigned int dword; + + for (i = 0; i < len; i += 4) { + dword = tbl[i] | + (tbl[i + 1] << 8) | + (tbl[i + 2] << 16) | + (tbl[i + 3] << 24); + writel(dword, regs + tab + i); + } +} + +static inline void exynos4_jpeg_set_qtbl_lum(void __iomem *regs, int quality) +{ + /* this driver fills quantisation table 0 with data for luma */ + exynos4_jpeg_set_tbl(regs, qtbl_luminance[quality], + EXYNOS4_QTBL_CONTENT(0), + ARRAY_SIZE(qtbl_luminance[quality])); +} + +static inline void exynos4_jpeg_set_qtbl_chr(void __iomem *regs, int quality) +{ + /* this driver fills quantisation table 1 with data for chroma */ + exynos4_jpeg_set_tbl(regs, qtbl_chrominance[quality], + EXYNOS4_QTBL_CONTENT(1), + ARRAY_SIZE(qtbl_chrominance[quality])); +} + +void exynos4_jpeg_set_huff_tbl(void __iomem *base) +{ + exynos4_jpeg_set_tbl(base, hdctbl0, EXYNOS4_HUFF_TBL_HDCLL, + ARRAY_SIZE(hdctbl0)); + exynos4_jpeg_set_tbl(base, hdctbl0, EXYNOS4_HUFF_TBL_HDCCL, + ARRAY_SIZE(hdctbl0)); + exynos4_jpeg_set_tbl(base, hdctblg0, EXYNOS4_HUFF_TBL_HDCLV, + ARRAY_SIZE(hdctblg0)); + exynos4_jpeg_set_tbl(base, hdctblg0, EXYNOS4_HUFF_TBL_HDCCV, + ARRAY_SIZE(hdctblg0)); + exynos4_jpeg_set_tbl(base, hactbl0, EXYNOS4_HUFF_TBL_HACLL, + ARRAY_SIZE(hactbl0)); + exynos4_jpeg_set_tbl(base, hactbl0, EXYNOS4_HUFF_TBL_HACCL, + ARRAY_SIZE(hactbl0)); + exynos4_jpeg_set_tbl(base, hactblg0, EXYNOS4_HUFF_TBL_HACLV, + ARRAY_SIZE(hactblg0)); + exynos4_jpeg_set_tbl(base, hactblg0, EXYNOS4_HUFF_TBL_HACCV, + ARRAY_SIZE(hactblg0)); } /* @@ -276,8 +607,8 @@ static inline void jpeg_set_hactblg(void __iomem *regs) static int queue_init(void *priv, struct vb2_queue *src_vq, struct vb2_queue *dst_vq); -static struct s5p_jpeg_fmt *s5p_jpeg_find_format(unsigned int mode, - __u32 pixelformat); +static struct s5p_jpeg_fmt *s5p_jpeg_find_format(struct s5p_jpeg_ctx *ctx, + __u32 pixelformat, unsigned int fmt_type); static int s5p_jpeg_controls_create(struct s5p_jpeg_ctx *ctx); static int s5p_jpeg_open(struct file *file) @@ -285,7 +616,7 @@ static int s5p_jpeg_open(struct file *file) struct s5p_jpeg *jpeg = video_drvdata(file); struct video_device *vfd = video_devdata(file); struct s5p_jpeg_ctx *ctx; - struct s5p_jpeg_fmt *out_fmt; + struct s5p_jpeg_fmt *out_fmt, *cap_fmt; int ret = 0; ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); @@ -306,24 +637,31 @@ static int s5p_jpeg_open(struct file *file) ctx->jpeg = jpeg; if (vfd == jpeg->vfd_encoder) { ctx->mode = S5P_JPEG_ENCODE; - out_fmt = s5p_jpeg_find_format(ctx->mode, V4L2_PIX_FMT_RGB565); + out_fmt = s5p_jpeg_find_format(ctx, V4L2_PIX_FMT_RGB565, + FMT_TYPE_OUTPUT); + cap_fmt = s5p_jpeg_find_format(ctx, V4L2_PIX_FMT_JPEG, + FMT_TYPE_CAPTURE); } else { ctx->mode = S5P_JPEG_DECODE; - out_fmt = s5p_jpeg_find_format(ctx->mode, V4L2_PIX_FMT_JPEG); + out_fmt = s5p_jpeg_find_format(ctx, V4L2_PIX_FMT_JPEG, + FMT_TYPE_OUTPUT); + cap_fmt = s5p_jpeg_find_format(ctx, V4L2_PIX_FMT_YUYV, + FMT_TYPE_CAPTURE); } - ret = s5p_jpeg_controls_create(ctx); - if (ret < 0) - goto error; - - ctx->m2m_ctx = v4l2_m2m_ctx_init(jpeg->m2m_dev, ctx, queue_init); - if (IS_ERR(ctx->m2m_ctx)) { - ret = PTR_ERR(ctx->m2m_ctx); + ctx->fh.m2m_ctx = v4l2_m2m_ctx_init(jpeg->m2m_dev, ctx, queue_init); + if (IS_ERR(ctx->fh.m2m_ctx)) { + ret = PTR_ERR(ctx->fh.m2m_ctx); goto error; } ctx->out_q.fmt = out_fmt; - ctx->cap_q.fmt = s5p_jpeg_find_format(ctx->mode, V4L2_PIX_FMT_YUYV); + ctx->cap_q.fmt = cap_fmt; + + ret = s5p_jpeg_controls_create(ctx); + if (ret < 0) + goto error; + mutex_unlock(&jpeg->lock); return 0; @@ -342,49 +680,23 @@ static int s5p_jpeg_release(struct file *file) struct s5p_jpeg_ctx *ctx = fh_to_ctx(file->private_data); mutex_lock(&jpeg->lock); - v4l2_m2m_ctx_release(ctx->m2m_ctx); - mutex_unlock(&jpeg->lock); + v4l2_m2m_ctx_release(ctx->fh.m2m_ctx); v4l2_ctrl_handler_free(&ctx->ctrl_handler); v4l2_fh_del(&ctx->fh); v4l2_fh_exit(&ctx->fh); kfree(ctx); - - return 0; -} - -static unsigned int s5p_jpeg_poll(struct file *file, - struct poll_table_struct *wait) -{ - struct s5p_jpeg *jpeg = video_drvdata(file); - struct s5p_jpeg_ctx *ctx = fh_to_ctx(file->private_data); - unsigned int res; - - mutex_lock(&jpeg->lock); - res = v4l2_m2m_poll(file, ctx->m2m_ctx, wait); mutex_unlock(&jpeg->lock); - return res; -} - -static int s5p_jpeg_mmap(struct file *file, struct vm_area_struct *vma) -{ - struct s5p_jpeg *jpeg = video_drvdata(file); - struct s5p_jpeg_ctx *ctx = fh_to_ctx(file->private_data); - int ret; - if (mutex_lock_interruptible(&jpeg->lock)) - return -ERESTARTSYS; - ret = v4l2_m2m_mmap(file, ctx->m2m_ctx, vma); - mutex_unlock(&jpeg->lock); - return ret; + return 0; } static const struct v4l2_file_operations s5p_jpeg_fops = { .owner = THIS_MODULE, .open = s5p_jpeg_open, .release = s5p_jpeg_release, - .poll = s5p_jpeg_poll, + .poll = v4l2_m2m_fop_poll, .unlocked_ioctl = video_ioctl2, - .mmap = s5p_jpeg_mmap, + .mmap = v4l2_m2m_fop_mmap, }; /* @@ -427,10 +739,11 @@ static void skip(struct s5p_jpeg_buffer *buf, long len) } static bool s5p_jpeg_parse_hdr(struct s5p_jpeg_q_data *result, - unsigned long buffer, unsigned long size) + unsigned long buffer, unsigned long size, + struct s5p_jpeg_ctx *ctx) { int c, components, notfound; - unsigned int height, width, word; + unsigned int height, width, word, subsampling = 0; long length; struct s5p_jpeg_buffer jpeg_buffer; @@ -469,7 +782,15 @@ static bool s5p_jpeg_parse_hdr(struct s5p_jpeg_q_data *result, break; notfound = 0; - skip(&jpeg_buffer, components * 3); + if (components == 1) { + subsampling = 0x33; + } else { + skip(&jpeg_buffer, 1); + subsampling = get_byte(&jpeg_buffer); + skip(&jpeg_buffer, 1); + } + + skip(&jpeg_buffer, components * 2); break; /* skip payload-less markers */ @@ -491,6 +812,24 @@ static bool s5p_jpeg_parse_hdr(struct s5p_jpeg_q_data *result, result->w = width; result->h = height; result->size = components; + + switch (subsampling) { + case 0x11: + ctx->subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_444; + break; + case 0x21: + ctx->subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_422; + break; + case 0x22: + ctx->subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_420; + break; + case 0x33: + ctx->subsampling = V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY; + break; + default: + return false; + } + return !notfound; } @@ -521,13 +860,13 @@ static int s5p_jpeg_querycap(struct file *file, void *priv, return 0; } -static int enum_fmt(struct s5p_jpeg_fmt *formats, int n, +static int enum_fmt(struct s5p_jpeg_fmt *sjpeg_formats, int n, struct v4l2_fmtdesc *f, u32 type) { int i, num = 0; for (i = 0; i < n; ++i) { - if (formats[i].types & type) { + if (sjpeg_formats[i].flags & type) { /* index-th format of type type found ? */ if (num == f->index) break; @@ -541,8 +880,8 @@ static int enum_fmt(struct s5p_jpeg_fmt *formats, int n, if (i >= n) return -EINVAL; - strlcpy(f->description, formats[i].name, sizeof(f->description)); - f->pixelformat = formats[i].fourcc; + strlcpy(f->description, sjpeg_formats[i].name, sizeof(f->description)); + f->pixelformat = sjpeg_formats[i].fourcc; return 0; } @@ -553,10 +892,11 @@ static int s5p_jpeg_enum_fmt_vid_cap(struct file *file, void *priv, struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv); if (ctx->mode == S5P_JPEG_ENCODE) - return enum_fmt(formats_enc, NUM_FORMATS_ENC, f, - MEM2MEM_CAPTURE); + return enum_fmt(sjpeg_formats, SJPEG_NUM_FORMATS, f, + SJPEG_FMT_FLAG_ENC_CAPTURE); - return enum_fmt(formats_dec, NUM_FORMATS_DEC, f, MEM2MEM_CAPTURE); + return enum_fmt(sjpeg_formats, SJPEG_NUM_FORMATS, f, + SJPEG_FMT_FLAG_DEC_CAPTURE); } static int s5p_jpeg_enum_fmt_vid_out(struct file *file, void *priv, @@ -565,10 +905,11 @@ static int s5p_jpeg_enum_fmt_vid_out(struct file *file, void *priv, struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv); if (ctx->mode == S5P_JPEG_ENCODE) - return enum_fmt(formats_enc, NUM_FORMATS_ENC, f, - MEM2MEM_OUTPUT); + return enum_fmt(sjpeg_formats, SJPEG_NUM_FORMATS, f, + SJPEG_FMT_FLAG_ENC_OUTPUT); - return enum_fmt(formats_dec, NUM_FORMATS_DEC, f, MEM2MEM_OUTPUT); + return enum_fmt(sjpeg_formats, SJPEG_NUM_FORMATS, f, + SJPEG_FMT_FLAG_DEC_OUTPUT); } static struct s5p_jpeg_q_data *get_q_data(struct s5p_jpeg_ctx *ctx, @@ -589,7 +930,7 @@ static int s5p_jpeg_g_fmt(struct file *file, void *priv, struct v4l2_format *f) struct v4l2_pix_format *pix = &f->fmt.pix; struct s5p_jpeg_ctx *ct = fh_to_ctx(priv); - vq = v4l2_m2m_get_vq(ct->m2m_ctx, f->type); + vq = v4l2_m2m_get_vq(ct->fh.m2m_ctx, f->type); if (!vq) return -EINVAL; @@ -615,29 +956,35 @@ static int s5p_jpeg_g_fmt(struct file *file, void *priv, struct v4l2_format *f) return 0; } -static struct s5p_jpeg_fmt *s5p_jpeg_find_format(unsigned int mode, - u32 pixelformat) +static struct s5p_jpeg_fmt *s5p_jpeg_find_format(struct s5p_jpeg_ctx *ctx, + u32 pixelformat, unsigned int fmt_type) { - unsigned int k; - struct s5p_jpeg_fmt *formats; - int n; + unsigned int k, fmt_flag, ver_flag; - if (mode == S5P_JPEG_ENCODE) { - formats = formats_enc; - n = NUM_FORMATS_ENC; - } else { - formats = formats_dec; - n = NUM_FORMATS_DEC; - } + if (ctx->mode == S5P_JPEG_ENCODE) + fmt_flag = (fmt_type == FMT_TYPE_OUTPUT) ? + SJPEG_FMT_FLAG_ENC_OUTPUT : + SJPEG_FMT_FLAG_ENC_CAPTURE; + else + fmt_flag = (fmt_type == FMT_TYPE_OUTPUT) ? + SJPEG_FMT_FLAG_DEC_OUTPUT : + SJPEG_FMT_FLAG_DEC_CAPTURE; + + if (ctx->jpeg->variant->version == SJPEG_S5P) + ver_flag = SJPEG_FMT_FLAG_S5P; + else + ver_flag = SJPEG_FMT_FLAG_EXYNOS4; - for (k = 0; k < n; k++) { - struct s5p_jpeg_fmt *fmt = &formats[k]; - if (fmt->fourcc == pixelformat) + for (k = 0; k < ARRAY_SIZE(sjpeg_formats); k++) { + struct s5p_jpeg_fmt *fmt = &sjpeg_formats[k]; + if (fmt->fourcc == pixelformat && + fmt->flags & fmt_flag && + fmt->flags & ver_flag) { return fmt; + } } return NULL; - } static void jpeg_bound_align_image(u32 *w, unsigned int wmin, unsigned int wmax, @@ -673,7 +1020,7 @@ static int vidioc_try_fmt(struct v4l2_format *f, struct s5p_jpeg_fmt *fmt, /* V4L2 specification suggests the driver corrects the format struct * if any of the dimensions is unsupported */ - if (q_type == MEM2MEM_OUTPUT) + if (q_type == FMT_TYPE_OUTPUT) jpeg_bound_align_image(&pix->width, S5P_JPEG_MIN_WIDTH, S5P_JPEG_MAX_WIDTH, 0, &pix->height, S5P_JPEG_MIN_HEIGHT, @@ -695,7 +1042,7 @@ static int vidioc_try_fmt(struct v4l2_format *f, struct s5p_jpeg_fmt *fmt, bpl = pix->width; /* planar */ if (fmt->colplanes == 1 && /* packed */ - (bpl << 3) * fmt->depth < pix->width) + (bpl << 3) / fmt->depth < pix->width) bpl = (pix->width * fmt->depth) >> 3; pix->bytesperline = bpl; @@ -709,17 +1056,41 @@ static int s5p_jpeg_try_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) { struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv); + struct v4l2_pix_format *pix = &f->fmt.pix; struct s5p_jpeg_fmt *fmt; + int ret; - fmt = s5p_jpeg_find_format(ctx->mode, f->fmt.pix.pixelformat); - if (!fmt || !(fmt->types & MEM2MEM_CAPTURE)) { + fmt = s5p_jpeg_find_format(ctx, f->fmt.pix.pixelformat, + FMT_TYPE_CAPTURE); + if (!fmt) { v4l2_err(&ctx->jpeg->v4l2_dev, "Fourcc format (0x%08x) invalid.\n", f->fmt.pix.pixelformat); return -EINVAL; } - return vidioc_try_fmt(f, fmt, ctx, MEM2MEM_CAPTURE); + /* + * The exynos4x12 device requires resulting YUV image + * subsampling not to be lower than the input jpeg subsampling. + * If this requirement is not met then downgrade the requested + * capture format to the one with subsampling equal to the input jpeg. + */ + if ((ctx->jpeg->variant->version != SJPEG_S5P) && + (ctx->mode == S5P_JPEG_DECODE) && + (fmt->flags & SJPEG_FMT_NON_RGB) && + (fmt->subsampling < ctx->subsampling)) { + ret = s5p_jpeg_adjust_fourcc_to_subsampling(ctx->subsampling, + fmt->fourcc, + &pix->pixelformat, + ctx); + if (ret < 0) + pix->pixelformat = V4L2_PIX_FMT_GREY; + + fmt = s5p_jpeg_find_format(ctx, pix->pixelformat, + FMT_TYPE_CAPTURE); + } + + return vidioc_try_fmt(f, fmt, ctx, FMT_TYPE_CAPTURE); } static int s5p_jpeg_try_fmt_vid_out(struct file *file, void *priv, @@ -728,15 +1099,16 @@ static int s5p_jpeg_try_fmt_vid_out(struct file *file, void *priv, struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv); struct s5p_jpeg_fmt *fmt; - fmt = s5p_jpeg_find_format(ctx->mode, f->fmt.pix.pixelformat); - if (!fmt || !(fmt->types & MEM2MEM_OUTPUT)) { + fmt = s5p_jpeg_find_format(ctx, f->fmt.pix.pixelformat, + FMT_TYPE_OUTPUT); + if (!fmt) { v4l2_err(&ctx->jpeg->v4l2_dev, "Fourcc format (0x%08x) invalid.\n", f->fmt.pix.pixelformat); return -EINVAL; } - return vidioc_try_fmt(f, fmt, ctx, MEM2MEM_OUTPUT); + return vidioc_try_fmt(f, fmt, ctx, FMT_TYPE_OUTPUT); } static int s5p_jpeg_s_fmt(struct s5p_jpeg_ctx *ct, struct v4l2_format *f) @@ -744,8 +1116,10 @@ static int s5p_jpeg_s_fmt(struct s5p_jpeg_ctx *ct, struct v4l2_format *f) struct vb2_queue *vq; struct s5p_jpeg_q_data *q_data = NULL; struct v4l2_pix_format *pix = &f->fmt.pix; + struct v4l2_ctrl *ctrl_subs; + unsigned int f_type; - vq = v4l2_m2m_get_vq(ct->m2m_ctx, f->type); + vq = v4l2_m2m_get_vq(ct->fh.m2m_ctx, f->type); if (!vq) return -EINVAL; @@ -757,7 +1131,10 @@ static int s5p_jpeg_s_fmt(struct s5p_jpeg_ctx *ct, struct v4l2_format *f) return -EBUSY; } - q_data->fmt = s5p_jpeg_find_format(ct->mode, pix->pixelformat); + f_type = V4L2_TYPE_IS_OUTPUT(f->type) ? + FMT_TYPE_OUTPUT : FMT_TYPE_CAPTURE; + + q_data->fmt = s5p_jpeg_find_format(ct, pix->pixelformat, f_type); q_data->w = pix->width; q_data->h = pix->height; if (q_data->fmt->fourcc != V4L2_PIX_FMT_JPEG) @@ -765,6 +1142,13 @@ static int s5p_jpeg_s_fmt(struct s5p_jpeg_ctx *ct, struct v4l2_format *f) else q_data->size = pix->sizeimage; + if (f_type == FMT_TYPE_OUTPUT) { + ctrl_subs = v4l2_ctrl_find(&ct->ctrl_handler, + V4L2_CID_JPEG_CHROMA_SUBSAMPLING); + if (ctrl_subs) + v4l2_ctrl_s_ctrl(ctrl_subs, q_data->fmt->subsampling); + } + return 0; } @@ -792,60 +1176,14 @@ static int s5p_jpeg_s_fmt_vid_out(struct file *file, void *priv, return s5p_jpeg_s_fmt(fh_to_ctx(priv), f); } -static int s5p_jpeg_reqbufs(struct file *file, void *priv, - struct v4l2_requestbuffers *reqbufs) -{ - struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv); - - return v4l2_m2m_reqbufs(file, ctx->m2m_ctx, reqbufs); -} - -static int s5p_jpeg_querybuf(struct file *file, void *priv, - struct v4l2_buffer *buf) -{ - struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv); - - return v4l2_m2m_querybuf(file, ctx->m2m_ctx, buf); -} - -static int s5p_jpeg_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf) -{ - struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv); - - return v4l2_m2m_qbuf(file, ctx->m2m_ctx, buf); -} - -static int s5p_jpeg_dqbuf(struct file *file, void *priv, - struct v4l2_buffer *buf) -{ - struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv); - - return v4l2_m2m_dqbuf(file, ctx->m2m_ctx, buf); -} - -static int s5p_jpeg_streamon(struct file *file, void *priv, - enum v4l2_buf_type type) -{ - struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv); - - return v4l2_m2m_streamon(file, ctx->m2m_ctx, type); -} - -static int s5p_jpeg_streamoff(struct file *file, void *priv, - enum v4l2_buf_type type) -{ - struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv); - - return v4l2_m2m_streamoff(file, ctx->m2m_ctx, type); -} - static int s5p_jpeg_g_selection(struct file *file, void *priv, struct v4l2_selection *s) { struct s5p_jpeg_ctx *ctx = fh_to_ctx(priv); if (s->type != V4L2_BUF_TYPE_VIDEO_OUTPUT && - s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) + s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && + ctx->jpeg->variant->version != SJPEG_S5P) return -EINVAL; /* For JPEG blob active == default == bounds */ @@ -884,12 +1222,7 @@ static int s5p_jpeg_g_volatile_ctrl(struct v4l2_ctrl *ctrl) switch (ctrl->id) { case V4L2_CID_JPEG_CHROMA_SUBSAMPLING: spin_lock_irqsave(&jpeg->slock, flags); - - WARN_ON(ctx->subsampling > S5P_SUBSAMPLING_MODE_GRAY); - if (ctx->subsampling > 2) - ctrl->val = V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY; - else - ctrl->val = ctx->subsampling; + ctrl->val = s5p_jpeg_to_user_subsampling(ctx); spin_unlock_irqrestore(&jpeg->slock, flags); break; } @@ -897,6 +1230,40 @@ static int s5p_jpeg_g_volatile_ctrl(struct v4l2_ctrl *ctrl) return 0; } +static int s5p_jpeg_try_ctrl(struct v4l2_ctrl *ctrl) +{ + struct s5p_jpeg_ctx *ctx = ctrl_to_ctx(ctrl); + unsigned long flags; + int ret = 0; + + spin_lock_irqsave(&ctx->jpeg->slock, flags); + + if (ctrl->id == V4L2_CID_JPEG_CHROMA_SUBSAMPLING) { + if (ctx->jpeg->variant->version == SJPEG_S5P) + goto error_free; + /* + * The exynos4x12 device requires input raw image fourcc + * to be V4L2_PIX_FMT_GREY if gray jpeg format + * is to be set. + */ + if (ctx->out_q.fmt->fourcc != V4L2_PIX_FMT_GREY && + ctrl->val == V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY) { + ret = -EINVAL; + goto error_free; + } + /* + * The exynos4x12 device requires resulting jpeg subsampling + * not to be lower than the input raw image subsampling. + */ + if (ctx->out_q.fmt->subsampling > ctrl->val) + ctrl->val = ctx->out_q.fmt->subsampling; + } + +error_free: + spin_unlock_irqrestore(&ctx->jpeg->slock, flags); + return ret; +} + static int s5p_jpeg_s_ctrl(struct v4l2_ctrl *ctrl) { struct s5p_jpeg_ctx *ctx = ctrl_to_ctx(ctrl); @@ -906,7 +1273,7 @@ static int s5p_jpeg_s_ctrl(struct v4l2_ctrl *ctrl) switch (ctrl->id) { case V4L2_CID_JPEG_COMPRESSION_QUALITY: - ctx->compr_quality = S5P_JPEG_COMPR_QUAL_WORST - ctrl->val; + ctx->compr_quality = ctrl->val; break; case V4L2_CID_JPEG_RESTART_INTERVAL: ctx->restart_interval = ctrl->val; @@ -922,6 +1289,7 @@ static int s5p_jpeg_s_ctrl(struct v4l2_ctrl *ctrl) static const struct v4l2_ctrl_ops s5p_jpeg_ctrl_ops = { .g_volatile_ctrl = s5p_jpeg_g_volatile_ctrl, + .try_ctrl = s5p_jpeg_try_ctrl, .s_ctrl = s5p_jpeg_s_ctrl, }; @@ -929,18 +1297,20 @@ static int s5p_jpeg_controls_create(struct s5p_jpeg_ctx *ctx) { unsigned int mask = ~0x27; /* 444, 422, 420, GRAY */ struct v4l2_ctrl *ctrl; + int ret; v4l2_ctrl_handler_init(&ctx->ctrl_handler, 3); if (ctx->mode == S5P_JPEG_ENCODE) { v4l2_ctrl_new_std(&ctx->ctrl_handler, &s5p_jpeg_ctrl_ops, V4L2_CID_JPEG_COMPRESSION_QUALITY, - 0, 3, 1, 3); + 0, 3, 1, S5P_JPEG_COMPR_QUAL_WORST); v4l2_ctrl_new_std(&ctx->ctrl_handler, &s5p_jpeg_ctrl_ops, V4L2_CID_JPEG_RESTART_INTERVAL, 0, 3, 0xffff, 0); - mask = ~0x06; /* 422, 420 */ + if (ctx->jpeg->variant->version == SJPEG_S5P) + mask = ~0x06; /* 422, 420 */ } ctrl = v4l2_ctrl_new_std_menu(&ctx->ctrl_handler, &s5p_jpeg_ctrl_ops, @@ -948,13 +1318,24 @@ static int s5p_jpeg_controls_create(struct s5p_jpeg_ctx *ctx) V4L2_JPEG_CHROMA_SUBSAMPLING_GRAY, mask, V4L2_JPEG_CHROMA_SUBSAMPLING_422); - if (ctx->ctrl_handler.error) - return ctx->ctrl_handler.error; + if (ctx->ctrl_handler.error) { + ret = ctx->ctrl_handler.error; + goto error_free; + } if (ctx->mode == S5P_JPEG_DECODE) ctrl->flags |= V4L2_CTRL_FLAG_VOLATILE | V4L2_CTRL_FLAG_READ_ONLY; - return 0; + + ret = v4l2_ctrl_handler_setup(&ctx->ctrl_handler); + if (ret < 0) + goto error_free; + + return ret; + +error_free: + v4l2_ctrl_handler_free(&ctx->ctrl_handler); + return ret; } static const struct v4l2_ioctl_ops s5p_jpeg_ioctl_ops = { @@ -972,14 +1353,13 @@ static const struct v4l2_ioctl_ops s5p_jpeg_ioctl_ops = { .vidioc_s_fmt_vid_cap = s5p_jpeg_s_fmt_vid_cap, .vidioc_s_fmt_vid_out = s5p_jpeg_s_fmt_vid_out, - .vidioc_reqbufs = s5p_jpeg_reqbufs, - .vidioc_querybuf = s5p_jpeg_querybuf, + .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs, + .vidioc_querybuf = v4l2_m2m_ioctl_querybuf, + .vidioc_qbuf = v4l2_m2m_ioctl_qbuf, + .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf, - .vidioc_qbuf = s5p_jpeg_qbuf, - .vidioc_dqbuf = s5p_jpeg_dqbuf, - - .vidioc_streamon = s5p_jpeg_streamon, - .vidioc_streamoff = s5p_jpeg_streamoff, + .vidioc_streamon = v4l2_m2m_ioctl_streamon, + .vidioc_streamoff = v4l2_m2m_ioctl_streamoff, .vidioc_g_selection = s5p_jpeg_g_selection, }; @@ -995,74 +1375,181 @@ static void s5p_jpeg_device_run(void *priv) struct s5p_jpeg_ctx *ctx = priv; struct s5p_jpeg *jpeg = ctx->jpeg; struct vb2_buffer *src_buf, *dst_buf; - unsigned long src_addr, dst_addr; + unsigned long src_addr, dst_addr, flags; + + spin_lock_irqsave(&ctx->jpeg->slock, flags); - src_buf = v4l2_m2m_next_src_buf(ctx->m2m_ctx); - dst_buf = v4l2_m2m_next_dst_buf(ctx->m2m_ctx); + src_buf = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); + dst_buf = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx); src_addr = vb2_dma_contig_plane_dma_addr(src_buf, 0); dst_addr = vb2_dma_contig_plane_dma_addr(dst_buf, 0); - jpeg_reset(jpeg->regs); - jpeg_poweron(jpeg->regs); - jpeg_proc_mode(jpeg->regs, ctx->mode); + s5p_jpeg_reset(jpeg->regs); + s5p_jpeg_poweron(jpeg->regs); + s5p_jpeg_proc_mode(jpeg->regs, ctx->mode); if (ctx->mode == S5P_JPEG_ENCODE) { if (ctx->out_q.fmt->fourcc == V4L2_PIX_FMT_RGB565) - jpeg_input_raw_mode(jpeg->regs, S5P_JPEG_RAW_IN_565); + s5p_jpeg_input_raw_mode(jpeg->regs, + S5P_JPEG_RAW_IN_565); else - jpeg_input_raw_mode(jpeg->regs, S5P_JPEG_RAW_IN_422); - jpeg_subsampling_mode(jpeg->regs, ctx->subsampling); - jpeg_dri(jpeg->regs, ctx->restart_interval); - jpeg_x(jpeg->regs, ctx->out_q.w); - jpeg_y(jpeg->regs, ctx->out_q.h); - jpeg_imgadr(jpeg->regs, src_addr); - jpeg_jpgadr(jpeg->regs, dst_addr); + s5p_jpeg_input_raw_mode(jpeg->regs, + S5P_JPEG_RAW_IN_422); + s5p_jpeg_subsampling_mode(jpeg->regs, ctx->subsampling); + s5p_jpeg_dri(jpeg->regs, ctx->restart_interval); + s5p_jpeg_x(jpeg->regs, ctx->out_q.w); + s5p_jpeg_y(jpeg->regs, ctx->out_q.h); + s5p_jpeg_imgadr(jpeg->regs, src_addr); + s5p_jpeg_jpgadr(jpeg->regs, dst_addr); /* ultimately comes from sizeimage from userspace */ - jpeg_enc_stream_int(jpeg->regs, ctx->cap_q.size); + s5p_jpeg_enc_stream_int(jpeg->regs, ctx->cap_q.size); /* JPEG RGB to YCbCr conversion matrix */ - jpeg_coef(jpeg->regs, 1, 1, S5P_JPEG_COEF11); - jpeg_coef(jpeg->regs, 1, 2, S5P_JPEG_COEF12); - jpeg_coef(jpeg->regs, 1, 3, S5P_JPEG_COEF13); - jpeg_coef(jpeg->regs, 2, 1, S5P_JPEG_COEF21); - jpeg_coef(jpeg->regs, 2, 2, S5P_JPEG_COEF22); - jpeg_coef(jpeg->regs, 2, 3, S5P_JPEG_COEF23); - jpeg_coef(jpeg->regs, 3, 1, S5P_JPEG_COEF31); - jpeg_coef(jpeg->regs, 3, 2, S5P_JPEG_COEF32); - jpeg_coef(jpeg->regs, 3, 3, S5P_JPEG_COEF33); + s5p_jpeg_coef(jpeg->regs, 1, 1, S5P_JPEG_COEF11); + s5p_jpeg_coef(jpeg->regs, 1, 2, S5P_JPEG_COEF12); + s5p_jpeg_coef(jpeg->regs, 1, 3, S5P_JPEG_COEF13); + s5p_jpeg_coef(jpeg->regs, 2, 1, S5P_JPEG_COEF21); + s5p_jpeg_coef(jpeg->regs, 2, 2, S5P_JPEG_COEF22); + s5p_jpeg_coef(jpeg->regs, 2, 3, S5P_JPEG_COEF23); + s5p_jpeg_coef(jpeg->regs, 3, 1, S5P_JPEG_COEF31); + s5p_jpeg_coef(jpeg->regs, 3, 2, S5P_JPEG_COEF32); + s5p_jpeg_coef(jpeg->regs, 3, 3, S5P_JPEG_COEF33); /* * JPEG IP allows storing 4 quantization tables * We fill table 0 for luma and table 1 for chroma */ - jpeg_set_qtbl_lum(jpeg->regs, ctx->compr_quality); - jpeg_set_qtbl_chr(jpeg->regs, ctx->compr_quality); + s5p_jpeg_set_qtbl_lum(jpeg->regs, ctx->compr_quality); + s5p_jpeg_set_qtbl_chr(jpeg->regs, ctx->compr_quality); /* use table 0 for Y */ - jpeg_qtbl(jpeg->regs, 1, 0); + s5p_jpeg_qtbl(jpeg->regs, 1, 0); /* use table 1 for Cb and Cr*/ - jpeg_qtbl(jpeg->regs, 2, 1); - jpeg_qtbl(jpeg->regs, 3, 1); + s5p_jpeg_qtbl(jpeg->regs, 2, 1); + s5p_jpeg_qtbl(jpeg->regs, 3, 1); /* Y, Cb, Cr use Huffman table 0 */ - jpeg_htbl_ac(jpeg->regs, 1); - jpeg_htbl_dc(jpeg->regs, 1); - jpeg_htbl_ac(jpeg->regs, 2); - jpeg_htbl_dc(jpeg->regs, 2); - jpeg_htbl_ac(jpeg->regs, 3); - jpeg_htbl_dc(jpeg->regs, 3); + s5p_jpeg_htbl_ac(jpeg->regs, 1); + s5p_jpeg_htbl_dc(jpeg->regs, 1); + s5p_jpeg_htbl_ac(jpeg->regs, 2); + s5p_jpeg_htbl_dc(jpeg->regs, 2); + s5p_jpeg_htbl_ac(jpeg->regs, 3); + s5p_jpeg_htbl_dc(jpeg->regs, 3); } else { /* S5P_JPEG_DECODE */ - jpeg_rst_int_enable(jpeg->regs, true); - jpeg_data_num_int_enable(jpeg->regs, true); - jpeg_final_mcu_num_int_enable(jpeg->regs, true); + s5p_jpeg_rst_int_enable(jpeg->regs, true); + s5p_jpeg_data_num_int_enable(jpeg->regs, true); + s5p_jpeg_final_mcu_num_int_enable(jpeg->regs, true); if (ctx->cap_q.fmt->fourcc == V4L2_PIX_FMT_YUYV) - jpeg_outform_raw(jpeg->regs, S5P_JPEG_RAW_OUT_422); + s5p_jpeg_outform_raw(jpeg->regs, S5P_JPEG_RAW_OUT_422); else - jpeg_outform_raw(jpeg->regs, S5P_JPEG_RAW_OUT_420); - jpeg_jpgadr(jpeg->regs, src_addr); - jpeg_imgadr(jpeg->regs, dst_addr); + s5p_jpeg_outform_raw(jpeg->regs, S5P_JPEG_RAW_OUT_420); + s5p_jpeg_jpgadr(jpeg->regs, src_addr); + s5p_jpeg_imgadr(jpeg->regs, dst_addr); } - jpeg_start(jpeg->regs); + s5p_jpeg_start(jpeg->regs); + + spin_unlock_irqrestore(&ctx->jpeg->slock, flags); +} + +static void exynos4_jpeg_set_img_addr(struct s5p_jpeg_ctx *ctx) +{ + struct s5p_jpeg *jpeg = ctx->jpeg; + struct s5p_jpeg_fmt *fmt; + struct vb2_buffer *vb; + struct s5p_jpeg_addr jpeg_addr; + u32 pix_size, padding_bytes = 0; + + pix_size = ctx->cap_q.w * ctx->cap_q.h; + + if (ctx->mode == S5P_JPEG_ENCODE) { + vb = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); + fmt = ctx->out_q.fmt; + if (ctx->out_q.w % 2 && fmt->h_align > 0) + padding_bytes = ctx->out_q.h; + } else { + fmt = ctx->cap_q.fmt; + vb = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx); + } + + jpeg_addr.y = vb2_dma_contig_plane_dma_addr(vb, 0); + + if (fmt->colplanes == 2) { + jpeg_addr.cb = jpeg_addr.y + pix_size - padding_bytes; + } else if (fmt->colplanes == 3) { + jpeg_addr.cb = jpeg_addr.y + pix_size; + if (fmt->fourcc == V4L2_PIX_FMT_YUV420) + jpeg_addr.cr = jpeg_addr.cb + pix_size / 4; + else + jpeg_addr.cr = jpeg_addr.cb + pix_size / 2; + } + + exynos4_jpeg_set_frame_buf_address(jpeg->regs, &jpeg_addr); +} + +static void exynos4_jpeg_set_jpeg_addr(struct s5p_jpeg_ctx *ctx) +{ + struct s5p_jpeg *jpeg = ctx->jpeg; + struct vb2_buffer *vb; + unsigned int jpeg_addr = 0; + + if (ctx->mode == S5P_JPEG_ENCODE) + vb = v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx); + else + vb = v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx); + + jpeg_addr = vb2_dma_contig_plane_dma_addr(vb, 0); + exynos4_jpeg_set_stream_buf_address(jpeg->regs, jpeg_addr); +} + +static void exynos4_jpeg_device_run(void *priv) +{ + struct s5p_jpeg_ctx *ctx = priv; + struct s5p_jpeg *jpeg = ctx->jpeg; + unsigned int bitstream_size; + unsigned long flags; + + spin_lock_irqsave(&ctx->jpeg->slock, flags); + + if (ctx->mode == S5P_JPEG_ENCODE) { + exynos4_jpeg_sw_reset(jpeg->regs); + exynos4_jpeg_set_interrupt(jpeg->regs); + exynos4_jpeg_set_huf_table_enable(jpeg->regs, 1); + + exynos4_jpeg_set_huff_tbl(jpeg->regs); + + /* + * JPEG IP allows storing 4 quantization tables + * We fill table 0 for luma and table 1 for chroma + */ + exynos4_jpeg_set_qtbl_lum(jpeg->regs, ctx->compr_quality); + exynos4_jpeg_set_qtbl_chr(jpeg->regs, ctx->compr_quality); + + exynos4_jpeg_set_encode_tbl_select(jpeg->regs, + ctx->compr_quality); + exynos4_jpeg_set_stream_size(jpeg->regs, ctx->cap_q.w, + ctx->cap_q.h); + + exynos4_jpeg_set_enc_out_fmt(jpeg->regs, ctx->subsampling); + exynos4_jpeg_set_img_fmt(jpeg->regs, ctx->out_q.fmt->fourcc); + exynos4_jpeg_set_img_addr(ctx); + exynos4_jpeg_set_jpeg_addr(ctx); + exynos4_jpeg_set_encode_hoff_cnt(jpeg->regs, + ctx->out_q.fmt->fourcc); + } else { + exynos4_jpeg_sw_reset(jpeg->regs); + exynos4_jpeg_set_interrupt(jpeg->regs); + exynos4_jpeg_set_img_addr(ctx); + exynos4_jpeg_set_jpeg_addr(ctx); + exynos4_jpeg_set_img_fmt(jpeg->regs, ctx->cap_q.fmt->fourcc); + + bitstream_size = DIV_ROUND_UP(ctx->out_q.size, 32); + + exynos4_jpeg_set_dec_bitstream_size(jpeg->regs, bitstream_size); + } + + exynos4_jpeg_set_enc_dec_mode(jpeg->regs, ctx->mode); + + spin_unlock_irqrestore(&ctx->jpeg->slock, flags); } static int s5p_jpeg_job_ready(void *priv) @@ -1082,6 +1569,12 @@ static struct v4l2_m2m_ops s5p_jpeg_m2m_ops = { .device_run = s5p_jpeg_device_run, .job_ready = s5p_jpeg_job_ready, .job_abort = s5p_jpeg_job_abort, +} +; +static struct v4l2_m2m_ops exynos_jpeg_m2m_ops = { + .device_run = exynos4_jpeg_device_run, + .job_ready = s5p_jpeg_job_ready, + .job_abort = s5p_jpeg_job_abort, }; /* @@ -1149,7 +1642,7 @@ static void s5p_jpeg_buf_queue(struct vb2_buffer *vb) ctx->hdr_parsed = s5p_jpeg_parse_hdr(&tmp, (unsigned long)vb2_plane_vaddr(vb, 0), min((unsigned long)ctx->out_q.size, - vb2_get_plane_payload(vb, 0))); + vb2_get_plane_payload(vb, 0)), ctx); if (!ctx->hdr_parsed) { vb2_buffer_done(vb, VB2_BUF_STATE_ERROR); return; @@ -1162,30 +1655,9 @@ static void s5p_jpeg_buf_queue(struct vb2_buffer *vb) q_data = &ctx->cap_q; q_data->w = tmp.w; q_data->h = tmp.h; - - jpeg_bound_align_image(&q_data->w, S5P_JPEG_MIN_WIDTH, - S5P_JPEG_MAX_WIDTH, q_data->fmt->h_align, - &q_data->h, S5P_JPEG_MIN_HEIGHT, - S5P_JPEG_MAX_HEIGHT, q_data->fmt->v_align - ); - q_data->size = q_data->w * q_data->h * q_data->fmt->depth >> 3; } - if (ctx->m2m_ctx) - v4l2_m2m_buf_queue(ctx->m2m_ctx, vb); -} - -static void s5p_jpeg_wait_prepare(struct vb2_queue *vq) -{ - struct s5p_jpeg_ctx *ctx = vb2_get_drv_priv(vq); - mutex_unlock(&ctx->jpeg->lock); -} - -static void s5p_jpeg_wait_finish(struct vb2_queue *vq) -{ - struct s5p_jpeg_ctx *ctx = vb2_get_drv_priv(vq); - - mutex_lock(&ctx->jpeg->lock); + v4l2_m2m_buf_queue(ctx->fh.m2m_ctx, vb); } static int s5p_jpeg_start_streaming(struct vb2_queue *q, unsigned int count) @@ -1211,8 +1683,8 @@ static struct vb2_ops s5p_jpeg_qops = { .queue_setup = s5p_jpeg_queue_setup, .buf_prepare = s5p_jpeg_buf_prepare, .buf_queue = s5p_jpeg_buf_queue, - .wait_prepare = s5p_jpeg_wait_prepare, - .wait_finish = s5p_jpeg_wait_finish, + .wait_prepare = vb2_ops_wait_prepare, + .wait_finish = vb2_ops_wait_finish, .start_streaming = s5p_jpeg_start_streaming, .stop_streaming = s5p_jpeg_stop_streaming, }; @@ -1230,6 +1702,7 @@ static int queue_init(void *priv, struct vb2_queue *src_vq, src_vq->ops = &s5p_jpeg_qops; src_vq->mem_ops = &vb2_dma_contig_memops; src_vq->timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_COPY; + src_vq->lock = &ctx->jpeg->lock; ret = vb2_queue_init(src_vq); if (ret) @@ -1242,6 +1715,7 @@ static int queue_init(void *priv, struct vb2_queue *src_vq, dst_vq->ops = &s5p_jpeg_qops; dst_vq->mem_ops = &vb2_dma_contig_memops; dst_vq->timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_COPY; + dst_vq->lock = &ctx->jpeg->lock; return vb2_queue_init(dst_vq); } @@ -1267,26 +1741,27 @@ static irqreturn_t s5p_jpeg_irq(int irq, void *dev_id) curr_ctx = v4l2_m2m_get_curr_priv(jpeg->m2m_dev); - src_buf = v4l2_m2m_src_buf_remove(curr_ctx->m2m_ctx); - dst_buf = v4l2_m2m_dst_buf_remove(curr_ctx->m2m_ctx); + src_buf = v4l2_m2m_src_buf_remove(curr_ctx->fh.m2m_ctx); + dst_buf = v4l2_m2m_dst_buf_remove(curr_ctx->fh.m2m_ctx); if (curr_ctx->mode == S5P_JPEG_ENCODE) - enc_jpeg_too_large = jpeg_enc_stream_stat(jpeg->regs); - timer_elapsed = jpeg_timer_stat(jpeg->regs); - op_completed = jpeg_result_stat_ok(jpeg->regs); + enc_jpeg_too_large = s5p_jpeg_enc_stream_stat(jpeg->regs); + timer_elapsed = s5p_jpeg_timer_stat(jpeg->regs); + op_completed = s5p_jpeg_result_stat_ok(jpeg->regs); if (curr_ctx->mode == S5P_JPEG_DECODE) - op_completed = op_completed && jpeg_stream_stat_ok(jpeg->regs); + op_completed = op_completed && + s5p_jpeg_stream_stat_ok(jpeg->regs); if (enc_jpeg_too_large) { state = VB2_BUF_STATE_ERROR; - jpeg_clear_enc_stream_stat(jpeg->regs); + s5p_jpeg_clear_enc_stream_stat(jpeg->regs); } else if (timer_elapsed) { state = VB2_BUF_STATE_ERROR; - jpeg_clear_timer_stat(jpeg->regs); + s5p_jpeg_clear_timer_stat(jpeg->regs); } else if (!op_completed) { state = VB2_BUF_STATE_ERROR; } else { - payload_size = jpeg_compressed_size(jpeg->regs); + payload_size = s5p_jpeg_compressed_size(jpeg->regs); } dst_buf->v4l2_buf.timecode = src_buf->v4l2_buf.timecode; @@ -1296,16 +1771,79 @@ static irqreturn_t s5p_jpeg_irq(int irq, void *dev_id) if (curr_ctx->mode == S5P_JPEG_ENCODE) vb2_set_plane_payload(dst_buf, 0, payload_size); v4l2_m2m_buf_done(dst_buf, state); - v4l2_m2m_job_finish(jpeg->m2m_dev, curr_ctx->m2m_ctx); + v4l2_m2m_job_finish(jpeg->m2m_dev, curr_ctx->fh.m2m_ctx); - curr_ctx->subsampling = jpeg_get_subsampling_mode(jpeg->regs); + curr_ctx->subsampling = s5p_jpeg_get_subsampling_mode(jpeg->regs); spin_unlock(&jpeg->slock); - jpeg_clear_int(jpeg->regs); + s5p_jpeg_clear_int(jpeg->regs); return IRQ_HANDLED; } +static irqreturn_t exynos4_jpeg_irq(int irq, void *priv) +{ + unsigned int int_status; + struct vb2_buffer *src_vb, *dst_vb; + struct s5p_jpeg *jpeg = priv; + struct s5p_jpeg_ctx *curr_ctx; + unsigned long payload_size = 0; + + spin_lock(&jpeg->slock); + + curr_ctx = v4l2_m2m_get_curr_priv(jpeg->m2m_dev); + + src_vb = v4l2_m2m_src_buf_remove(curr_ctx->fh.m2m_ctx); + dst_vb = v4l2_m2m_dst_buf_remove(curr_ctx->fh.m2m_ctx); + + int_status = exynos4_jpeg_get_int_status(jpeg->regs); + + if (int_status) { + switch (int_status & 0x1f) { + case 0x1: + jpeg->irq_ret = ERR_PROT; + break; + case 0x2: + jpeg->irq_ret = OK_ENC_OR_DEC; + break; + case 0x4: + jpeg->irq_ret = ERR_DEC_INVALID_FORMAT; + break; + case 0x8: + jpeg->irq_ret = ERR_MULTI_SCAN; + break; + case 0x10: + jpeg->irq_ret = ERR_FRAME; + break; + default: + jpeg->irq_ret = ERR_UNKNOWN; + break; + } + } else { + jpeg->irq_ret = ERR_UNKNOWN; + } + + if (jpeg->irq_ret == OK_ENC_OR_DEC) { + if (curr_ctx->mode == S5P_JPEG_ENCODE) { + payload_size = exynos4_jpeg_get_stream_size(jpeg->regs); + vb2_set_plane_payload(dst_vb, 0, payload_size); + } + v4l2_m2m_buf_done(src_vb, VB2_BUF_STATE_DONE); + v4l2_m2m_buf_done(dst_vb, VB2_BUF_STATE_DONE); + } else { + v4l2_m2m_buf_done(src_vb, VB2_BUF_STATE_ERROR); + v4l2_m2m_buf_done(dst_vb, VB2_BUF_STATE_ERROR); + } + + v4l2_m2m_job_finish(jpeg->m2m_dev, curr_ctx->fh.m2m_ctx); + curr_ctx->subsampling = exynos4_jpeg_get_frame_fmt(jpeg->regs); + + spin_unlock(&jpeg->slock); + return IRQ_HANDLED; +} + +static void *jpeg_get_drv_data(struct platform_device *pdev); + /* * ============================================================================ * Driver basic infrastructure @@ -1316,13 +1854,19 @@ static int s5p_jpeg_probe(struct platform_device *pdev) { struct s5p_jpeg *jpeg; struct resource *res; + struct v4l2_m2m_ops *samsung_jpeg_m2m_ops; int ret; + if (!pdev->dev.of_node) + return -ENODEV; + /* JPEG IP abstraction struct */ jpeg = devm_kzalloc(&pdev->dev, sizeof(struct s5p_jpeg), GFP_KERNEL); if (!jpeg) return -ENOMEM; + jpeg->variant = jpeg_get_drv_data(pdev); + mutex_init(&jpeg->lock); spin_lock_init(&jpeg->slock); jpeg->dev = &pdev->dev; @@ -1341,8 +1885,8 @@ static int s5p_jpeg_probe(struct platform_device *pdev) return ret; } - ret = devm_request_irq(&pdev->dev, jpeg->irq, s5p_jpeg_irq, 0, - dev_name(&pdev->dev), jpeg); + ret = devm_request_irq(&pdev->dev, jpeg->irq, jpeg->variant->jpeg_irq, + 0, dev_name(&pdev->dev), jpeg); if (ret) { dev_err(&pdev->dev, "cannot claim IRQ %d\n", jpeg->irq); return ret; @@ -1356,7 +1900,6 @@ static int s5p_jpeg_probe(struct platform_device *pdev) return ret; } dev_dbg(&pdev->dev, "clock source %p\n", jpeg->clk); - clk_prepare_enable(jpeg->clk); /* v4l2 device */ ret = v4l2_device_register(&pdev->dev, &jpeg->v4l2_dev); @@ -1365,8 +1908,13 @@ static int s5p_jpeg_probe(struct platform_device *pdev) goto clk_get_rollback; } + if (jpeg->variant->version == SJPEG_S5P) + samsung_jpeg_m2m_ops = &s5p_jpeg_m2m_ops; + else + samsung_jpeg_m2m_ops = &exynos_jpeg_m2m_ops; + /* mem2mem device */ - jpeg->m2m_dev = v4l2_m2m_init(&s5p_jpeg_m2m_ops); + jpeg->m2m_dev = v4l2_m2m_init(samsung_jpeg_m2m_ops); if (IS_ERR(jpeg->m2m_dev)) { v4l2_err(&jpeg->v4l2_dev, "Failed to init mem2mem device\n"); ret = PTR_ERR(jpeg->m2m_dev); @@ -1387,8 +1935,8 @@ static int s5p_jpeg_probe(struct platform_device *pdev) ret = -ENOMEM; goto vb2_allocator_rollback; } - strlcpy(jpeg->vfd_encoder->name, S5P_JPEG_M2M_NAME, - sizeof(jpeg->vfd_encoder->name)); + snprintf(jpeg->vfd_encoder->name, sizeof(jpeg->vfd_encoder->name), + "%s-enc", S5P_JPEG_M2M_NAME); jpeg->vfd_encoder->fops = &s5p_jpeg_fops; jpeg->vfd_encoder->ioctl_ops = &s5p_jpeg_ioctl_ops; jpeg->vfd_encoder->minor = -1; @@ -1415,8 +1963,8 @@ static int s5p_jpeg_probe(struct platform_device *pdev) ret = -ENOMEM; goto enc_vdev_register_rollback; } - strlcpy(jpeg->vfd_decoder->name, S5P_JPEG_M2M_NAME, - sizeof(jpeg->vfd_decoder->name)); + snprintf(jpeg->vfd_decoder->name, sizeof(jpeg->vfd_decoder->name), + "%s-dec", S5P_JPEG_M2M_NAME); jpeg->vfd_decoder->fops = &s5p_jpeg_fops; jpeg->vfd_decoder->ioctl_ops = &s5p_jpeg_ioctl_ops; jpeg->vfd_decoder->minor = -1; @@ -1464,7 +2012,6 @@ device_register_rollback: v4l2_device_unregister(&jpeg->v4l2_dev); clk_get_rollback: - clk_disable_unprepare(jpeg->clk); clk_put(jpeg->clk); return ret; @@ -1484,7 +2031,9 @@ static int s5p_jpeg_remove(struct platform_device *pdev) v4l2_m2m_release(jpeg->m2m_dev); v4l2_device_unregister(&jpeg->v4l2_dev); - clk_disable_unprepare(jpeg->clk); + if (!pm_runtime_status_suspended(&pdev->dev)) + clk_disable_unprepare(jpeg->clk); + clk_put(jpeg->clk); return 0; @@ -1492,41 +2041,119 @@ static int s5p_jpeg_remove(struct platform_device *pdev) static int s5p_jpeg_runtime_suspend(struct device *dev) { + struct s5p_jpeg *jpeg = dev_get_drvdata(dev); + + clk_disable_unprepare(jpeg->clk); + return 0; } static int s5p_jpeg_runtime_resume(struct device *dev) { struct s5p_jpeg *jpeg = dev_get_drvdata(dev); + unsigned long flags; + int ret; + + ret = clk_prepare_enable(jpeg->clk); + if (ret < 0) + return ret; + + spin_lock_irqsave(&jpeg->slock, flags); + /* * JPEG IP allows storing two Huffman tables for each component - * We fill table 0 for each component + * We fill table 0 for each component and do this here only + * for S5PC210 device as Exynos4x12 requires programming its + * Huffman tables each time the encoding process is initialized. */ - jpeg_set_hdctbl(jpeg->regs); - jpeg_set_hdctblg(jpeg->regs); - jpeg_set_hactbl(jpeg->regs); - jpeg_set_hactblg(jpeg->regs); + if (jpeg->variant->version == SJPEG_S5P) { + s5p_jpeg_set_hdctbl(jpeg->regs); + s5p_jpeg_set_hdctblg(jpeg->regs); + s5p_jpeg_set_hactbl(jpeg->regs); + s5p_jpeg_set_hactblg(jpeg->regs); + } + + spin_unlock_irqrestore(&jpeg->slock, flags); + return 0; } +static int s5p_jpeg_suspend(struct device *dev) +{ + if (pm_runtime_suspended(dev)) + return 0; + + return s5p_jpeg_runtime_suspend(dev); +} + +static int s5p_jpeg_resume(struct device *dev) +{ + if (pm_runtime_suspended(dev)) + return 0; + + return s5p_jpeg_runtime_resume(dev); +} + static const struct dev_pm_ops s5p_jpeg_pm_ops = { - .runtime_suspend = s5p_jpeg_runtime_suspend, - .runtime_resume = s5p_jpeg_runtime_resume, + SET_SYSTEM_SLEEP_PM_OPS(s5p_jpeg_suspend, s5p_jpeg_resume) + SET_RUNTIME_PM_OPS(s5p_jpeg_runtime_suspend, s5p_jpeg_runtime_resume, NULL) +}; + +#ifdef CONFIG_OF +static struct s5p_jpeg_variant s5p_jpeg_drvdata = { + .version = SJPEG_S5P, + .jpeg_irq = s5p_jpeg_irq, +}; + +static struct s5p_jpeg_variant exynos4_jpeg_drvdata = { + .version = SJPEG_EXYNOS4, + .jpeg_irq = exynos4_jpeg_irq, +}; + +static const struct of_device_id samsung_jpeg_match[] = { + { + .compatible = "samsung,s5pv210-jpeg", + .data = &s5p_jpeg_drvdata, + }, { + .compatible = "samsung,exynos4210-jpeg", + .data = &s5p_jpeg_drvdata, + }, { + .compatible = "samsung,exynos4212-jpeg", + .data = &exynos4_jpeg_drvdata, + }, + {}, }; +MODULE_DEVICE_TABLE(of, samsung_jpeg_match); + +static void *jpeg_get_drv_data(struct platform_device *pdev) +{ + struct s5p_jpeg_variant *driver_data = NULL; + const struct of_device_id *match; + + match = of_match_node(of_match_ptr(samsung_jpeg_match), + pdev->dev.of_node); + if (match) + driver_data = (struct s5p_jpeg_variant *)match->data; + + return driver_data; +} +#endif + static struct platform_driver s5p_jpeg_driver = { .probe = s5p_jpeg_probe, .remove = s5p_jpeg_remove, .driver = { - .owner = THIS_MODULE, - .name = S5P_JPEG_M2M_NAME, - .pm = &s5p_jpeg_pm_ops, + .of_match_table = of_match_ptr(samsung_jpeg_match), + .owner = THIS_MODULE, + .name = S5P_JPEG_M2M_NAME, + .pm = &s5p_jpeg_pm_ops, }, }; module_platform_driver(s5p_jpeg_driver); MODULE_AUTHOR("Andrzej Pietrasiewicz <andrzej.p@samsung.com>"); +MODULE_AUTHOR("Jacek Anaszewski <j.anaszewski@samsung.com>"); MODULE_DESCRIPTION("Samsung JPEG codec driver"); MODULE_LICENSE("GPL"); - |